/* ===== Albatross Web - Dark Theme ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary:   #0d1117;
  --bg-card:      #161b22;
  --bg-hover:     #1c2128;
  --accent:       #2ea043;
  --accent-glow:  rgba(46, 160, 67, 0.2);
  --text-primary: #e6edf3;
  --text-muted:   #7d8590;
  --border:       #30363d;
  --radius:       12px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100vh;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

#app { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem 4rem; }

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}
.hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, #58a6ff, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero .subtitle { color: var(--text-muted); margin-top: 0.4rem; font-size: 1rem; }

/* ── Loading ── */
.loading { display: flex; flex-direction: column; align-items: center; gap: 1rem; padding: 4rem; }
.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Error / Empty ── */
.error-box, .empty {
  text-align: center;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  margin-top: 2rem;
}
.error-box { border-color: #f85149; color: #f85149; }

/* ── Source Filter ── */
.source-filter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.source-filter button {
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.2s;
}
.source-filter button:hover { background: var(--bg-hover); color: var(--text-primary); }
.source-filter button.active {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* ── News Grid ── */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.news-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.2rem 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.news-card:hover {
  border-color: #58a6ff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.source-badge {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}

.news-card h2 {
  font-size: 0.97rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
}

.news-card .summary {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card .time {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: auto;
}